The following are some well-known abbreviations,which have been used in this chapter. Expand each one to its full form:
$(a)$ $MALT$
$(b)$ $CMI$
$(c)$ $AIDS$
$(d)$ $NACO$
$(e)$ $HIV$

(N/A) $MALT -$ Mucosa-Associated Lymphoid Tissue
$(b)$ $CMI -$ Cell-Mediated Immunity
$(c)$ $AIDS -$ Acquired Immuno Deficiency Syndrome
$(d)$ $NACO -$ National $AIDS$ Control Organization
$(e)$ $HIV -$ Human Immuno Deficiency Virus